package argo.hot100.dp;

public class NumSquares {

    public int numSquares(int n) {

        int dp[] = new int[n + 1];

        for (int i = 1; i <= n; i++) {
            int min = Integer.MAX_VALUE;
            for (int j = 1; j * j <= i; j++) {
                min = Math.min(min, dp[i - j * j]);
            }
            dp[i] = min + 1;
        }

        return dp[n];
    }
}
